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Reliable Safety Interlock: Prevents ignition and shuts down the system if combustion airflow is restricted or the blower fails
making it a reliable choice for commercial HVAC mixing and diverting applications
74 Cv flow coefficient ensures sufficient volume for large heating units
By monitoring evaporator pressure and temperature
Lennox 28W59 Control Box 326010-701 Reliable Safety Interlock: Prevents ignitionThe Lennox 28W59 Control Box (LB 108340) is an essential OEM replacement part engineered to house and protect the delicate electrical architecture of select Lennox furnaces and air handlers. For technicians dealing with corroded enclosures or a compromised HVAC control module, this factory spec metal housing provides the necessary environmental shielding and precise mounting points for internal circuit boards. Maintaining the integrity of the Lennox
